mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-30 15:34:01 +03:00
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
// $Id$
|
|
|
|
/***********************************************************************
|
|
Moses - factored phrase-based language decoder
|
|
Copyright (C) 2006 University of Edinburgh
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
***********************************************************************/
|
|
|
|
#ifndef moses_GenerationDictionary_h
|
|
#define moses_GenerationDictionary_h
|
|
|
|
#include <list>
|
|
#include <map>
|
|
#include <stdexcept>
|
|
#include <vector>
|
|
#include "ScoreComponentCollection.h"
|
|
#include "Phrase.h"
|
|
#include "TypeDef.h"
|
|
#include "Dictionary.h"
|
|
#include "DecodeFeature.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
class FactorCollection;
|
|
|
|
typedef std::map < Word , ScoreComponentCollection > OutputWordCollection;
|
|
// 1st = output phrase
|
|
// 2nd = log probability (score)
|
|
|
|
/** Implementation of a generation table in a trie.
|
|
*/
|
|
class GenerationDictionary : public Dictionary, public DecodeFeature
|
|
{
|
|
typedef std::map<const Word* , OutputWordCollection, WordComparer> Collection;
|
|
protected:
|
|
Collection m_collection;
|
|
// 1st = source
|
|
// 2nd = target
|
|
std::string m_filePath;
|
|
|
|
public:
|
|
/** constructor.
|
|
* \param numFeatures number of score components, as specified in ini file
|
|
*/
|
|
GenerationDictionary(
|
|
size_t numFeatures,
|
|
const std::vector<FactorType> &input,
|
|
const std::vector<FactorType> &output);
|
|
virtual ~GenerationDictionary();
|
|
|
|
// returns Generate
|
|
DecodeType GetDecodeType() const
|
|
{
|
|
return Generate;
|
|
}
|
|
|
|
//! load data file
|
|
bool Load(const std::string &filePath, FactorDirection direction);
|
|
|
|
/** number of unique input entries in the generation table.
|
|
* NOT the number of lines in the generation table
|
|
*/
|
|
size_t GetSize() const
|
|
{
|
|
return m_collection.size();
|
|
}
|
|
/** returns a bag of output words, OutputWordCollection, for a particular input word.
|
|
* Or NULL if the input word isn't found. The search function used is the WordComparer functor
|
|
*/
|
|
const OutputWordCollection *FindWord(const Word &word) const;
|
|
virtual bool ComputeValueInTranslationOption() const;
|
|
|
|
//Usual feature function methods are not implemented
|
|
virtual void Evaluate(const PhraseBasedFeatureContext& context,
|
|
ScoreComponentCollection* accumulator) const
|
|
{
|
|
throw std::logic_error("GenerationDictionary::Evaluate() Not implemented");
|
|
}
|
|
|
|
virtual void EvaluateChart(const ChartBasedFeatureContext& context,
|
|
ScoreComponentCollection* accumulator) const
|
|
{
|
|
throw std::logic_error("GenerationDictionary.Evaluate() Not implemented");
|
|
}
|
|
|
|
virtual bool ComputeValueInTranslationTable() const {return true;}
|
|
|
|
};
|
|
|
|
|
|
}
|
|
#endif
|